Related Questions

When a body falls freely under gravitational force, it possesses __________ weight.
A No
B Minimum
C Maximum
D None of these
If the body falls freely under gravity, then the gravitational acceleration is taken as
A +8.9 m/s2
B -8.9 m/s2
C +9.8 m/s2
D -9.8 m/s2
The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
A $$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$
B $$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$
C $$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$
D $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
1 kg ভরের একটি বস্তু 5 m উপর থেকে নিচে মুক্তভাবে পড়তে থাকলে ভূ-পৃষ্ঠকে স্পর্শ করার মুহূর্তে বস্তুটির গতিশক্তি কত হবে? (if an object of mass 1 kg falls freely from a height of 5 m, what will be its kinetic energy when it just reaches the ground?)
A 9.8 J
B 19.6 J
C 49 J
D 490 J
A rigid body possesses ________ degrees of freedom
A One
B Two
C Four
D Six
30 m উচ্চতা থেকে একটি বস্তুকে বিনা বাধায় পড়তে দিলে কোথায় উহার গতিশক্তি বিভব শক্তির দ্বিগুন হবে?(A body is allowed to fall freely from a height of 30 m. Where will its kinetic energy be twice the potential energy?)
A 9.5 m
B 10.5 m
C 10 m
D 12 m
E 15 m
If Sunday falls on 21 then Saturday falls on ------ ?
A 26
B 27
C 28
D 24
If Sunday falls on 21 then Saturday falls on---?
A 26
B 27
C 28
D 24
In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:
A 75 cubic meter
B 750 cubic meter
C 7500 cubic meter
D 75000 cubic meter
If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body.
A Change
B Does not change
C Changes periodically
D None of these

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